US3127910A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hollow glass fiber shaft
Assignee: Columbia Products Co
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Filing: 1954-06-30
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Granted: 1964-04-07
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Expires: 1974-06-30
Abstract
No abstract record available.
Inventors
- 👤 Arthur L Scott
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:22
CPC Classifications
A; A01; A01K; A01K87/00; Y; Y10; Y10S; Y10S273/00; Y10S273/07; Y10T; Y10T428/00; Y10T428/13; Y10T428/131; Y10T428/1314
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
112 words
A HOLLOW SHAFT FOR ARCHERY ARROWS AND THE LIKE CHARACTERIZED BY ITS UNIFORMITY OF EXTERNAL DIMENSIONS AND BALANCE AND ABILITY TO RETAIN ITS FORM WITHOUT WARPING REGARDLESS OF ATMOSPHERIC CONDITIONS AND CHANGES COMPRISING AN OUTER TUBULAR CYLINDRICAL SHEATH OF LONGITUDINALLY EXTENDING STRAIGHT GLASS FIBERS UNIFORMLY DISTRIBUTED CIRCUMFERENTIALLY ON A LAYER OF UNIFORM EXTERNAL DIMENSION, EACH OF SAID FIBERS BEING BONDED TO ADJACENT FIBERS AND MAINTAINED IN POSITION WITH A FLEXIBLE WATERPROOF RESIN AND A TUBULAR PAPER CORE, SAID CORE HAVING A MECHANICAL STRENGTH WHICH IS NEGLIGIBLE COMPARED TO THAT OF SAID SHEATH BUT ADEQUATE TO SUPPORT SAID FIBERS PRIOR TO THE BONDING THERE, SAID SHEATH DETERMINING THE MECHANICAL CHARACTERISTICS OF SAID SHAFT.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-04-07 | 1967-10-07 | 1968-04-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-07 | 1971-10-07 | 1972-04-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-07 | 1975-10-07 | 1976-04-07 | $7700.00 | Window Closed / Lapsed |